Jl. Namy et al., SAMARIUM DIIODIDE IN TETRAHYDROPYRAN - PREPARATION AND SOME REACTIONSIN ORGANIC-CHEMISTRY, Tetrahedron letters, 35(11), 1994, pp. 1723-1726
SmI2 could be readily prepared in tetrahydropyran (THP) from samarium
and 1,2-diiodoethane. Reducing properties were studied, showing marked
differences compared to the classical SmI2/THF system.